When to connect and disconnect Connection

Hi all,

I would like to know which one is the best method of
managing database connection in Java 1.3 (with
PostgreSQL 7.1.2 JDBC).

Option 1:   Connect to the database in the "main" function and
disconnect on program exit. Use it throughout the life
of the application. "Connect once and use for ever".

Option 2:   Connect to the database near the code that uses it
and disconnect after that block of code. "Use and
throw away".

Please help me.

Thanks
Dino

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